Earth⭐⭐ Curious Wonder
Today's Wonder
Why are oceans salty?
Rivers pour fresh water into the sea, yet the ocean keeps its unmistakably salty taste.
Before you peek
What do you think?
Make a guess. This is curiosity, not a test.
Today's Wonder
Rivers pour fresh water into the sea, yet the ocean keeps its unmistakably salty taste.
Before you peek
Make a guess. This is curiosity, not a test.